Max Planck Institute for Gravitational Physics, Hannover

Institute for Gravitational Physics (Albert Einstein Institute Hannover)
Leibniz Universität Hannover

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		Highlights
		Squeezing the quantum noise of laser light, Interferometry with nano-structured optics, Characterisation and stabilisation of a high-power solid-state laser system for Advanced LIGO, ... [mehr]


		GEO600
		The General Theory of Relativity predicts the existence of gravitational waves (GW). These are changes in the curvature of space-time propagating with the speed of light. Their origin are accelerated masses. As detectable sources of GW only astrophysical objects or ... [mehr]


		eLISA
		The restricted armlength and the unavoidable seismic noise limit the performance of a GW observatory on earth. A device in Space avoids these difficulties. [mehr]


		Quantum Interferometry and squeezed light
		The standard quantum limit results from radiation pressure noise and photon shot noise. It is believed to be the fundamental limit for interferometric length measurements. Certain techniques may allow to elude this limit. [mehr]


		Laser research
		Lasers with very stable properties (in frequency and amplitude) and high output power in continuous operation are required for the detection of gravitational waves. The monolithic Nd:YAG ring laser is a subject of constant improvement. [mehr]


		Optical Components
		One makes high demands on the optical elements used in GW detectors. Production and quality control of substrates and coatings have to be made more sophisticated. [mehr]


		Data Analysis
		The high amount of data which is recorded nearly permanently by the ground-based running gravitational detectors (GEO600, LIGO, Virgo) needs to be searched for signals of four different sources which are expected to emit gravitational waves: Supernovae, merging compact ... [mehr]


		10m AEI prototype interferometer
		The 10m prototype interferometer is a test bed for new technologies of future laser interferometric gravitational wave detectors. Construction of a 10m arm length prototype interferometer in a UHV vacuum system has started three years ago. The infrastructure work is ... [mehr]





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